PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Smoke can also contain carbon dioxide, water vapor, trace minerals, and other harmful pollutants such as carbon monoxide, acrolein, formaldehyde, benzene, and polycyclic aromatic hydrocarbons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • texas.gov